Hybrid Quantum-Classical Multilevel Approach for Maximum Cuts on Graphs

• URL: http://arxiv.org/abs/2309.08815v1
• Date: Fri, 15 Sep 2023 23:54:46 GMT
• Title: Hybrid Quantum-Classical Multilevel Approach for Maximum Cuts on Graphs
• Authors: `Anthony Angone, Xioayuan Liu, Ruslan Shaydulin, Ilya Safro
• Abstract summary: We introduce a scalable hybrid multilevel approach to solve large instances of Max-Cut. We show that using QAOA within our framework is comparable to classical approaches.
• Score: 1.7720089167719628
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Combinatorial optimization is one of the fields where near term quantum devices are being utilized with hybrid quantum-classical algorithms to demonstrate potentially practical applications of quantum computing. One of the most well studied problems in combinatorial optimization is the Max-Cut problem. The problem is also highly relevant to quantum and other types of "post Moore" architectures due to its similarity with the Ising model and other reasons. In this paper, we introduce a scalable hybrid multilevel approach to solve large instances of Max-Cut using both classical only solvers and quantum approximate optimization algorithm (QAOA). We compare the results of our solver to existing state of the art large-scale Max-Cut solvers. We demonstrate excellent performance of both classical and hybrid quantum-classical approaches and show that using QAOA within our framework is comparable to classical approaches.

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